html {
    padding: 0 auto;
    margin: 0 auto;   
}
#estrutura {
    font-family: sans-serif;
    margin: 0 auto;
    width: 1024px;
}
legend {
    font-size: 20px;
    padding: 5px;
}
#login {
    margin-top: 200px;
}
#login fieldset {
    width: 400px;
    text-align: center;
    font-size: 18px;
}
#login fieldset input[type="submit"]{
    padding: 4px;
    font-weight: bold;
    margin-top: 6px;
}
.submenu {
	display: none;
	width: 150px;
	list-style: none;
	font-size: 15px;
	padding: 0;
	margin: 0;
	position: absolute;
	z-index: 2;
}

.submenu li {
	text-align: left;
	border-bottom: 1px solid white;
}

.submenu li a {
	background: #CCCCCC;
	font-size: 15px;	
	height: 20px;
	padding-left: 5px;

}
#menu {
    background: orange;
    height: 43px;
}
#menu ul li{
    list-style: none;
}
#menu ul li a{
    background: orange;
    display: block;
    float: left;
    padding: 10px 20px;
    border-right: 1px solid black;
}
#menu ul li a:HOVER{
    background: green;
    color: white;
}
